Posted by **annaiiz** on Wednesday, April 1, 2009 at 9:42pm.

ok i have to divide complex numbers:

question is: 1-2i+i^3/1+i

this is what i did:

1-2i+i(-i)/1+i

1-2i-i^2/1+i

1-2i-i(-1)/1+i

1-2i+i/1+i

1-3i/1+i*1-i/1-i

1-i-3i+3i^2/1-i+i-i^2

1-i-3i+3(-1)/1-i^2

1-i-3i-3/1-(-1)

1-4i-3/2

-2-4i/2

my answer is -2i-1

is that right?

## Answer This Question

## Related Questions

- math - This was on my test and have a few more question that is from my test. ...
- math help people lik really desperate!! - ok i have to divide complex numbers: ...
- Math - Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) ...
- Maths- complex numbers - Find tan(3 theta) in terms of tan theta Use the formula...
- Math - The average of X numbers is 15. If the sum of the X numbers is 90, what ...
- math check please - 1.Write 4x4x4x4x4 as a power of 4. Answer: 4^5 2. Evaluate. ...
- Algebra II - I have some questions on my assignment, if you don't mind could you...
- Complex numbers - quadratic formula - Let a and b be real numbers. The complex ...
- Math: Homework Questons (answer quick) - Can you check if the answer is correct...
- algebra - Need some one check my homework. Evaluate 3p/q when p=2 and q=6. ...

More Related Questions